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A47n —
1.d4 Nf6 2.Nf3 b6 3.Bf4 Bb7 4.e3
Les coups candidats
Ambassadeurs : Romih, Max (3x), Magrin, Antonio (3x), Eckhardt, Claudia (3x), Efremova, Daria (3x), Grachev, Boris (3x), Puschmann, Laszlo (2x), Meduna, Eduard (2x), Huppertz, Andrea (2x)
4…g6 — 34.1% (632 parties)
Ambassadeurs : Birsa, Valter (5x), Gasanov, Eldar (5x), Olejarczyk, Bogdan (4x), Jurek, Josef (4x), Nguyen Thi Mai Hung (3x), Saduakassova, Dinara (3x), Pham, Le Thao Nguyen (3x), Li, William (3x)
4…Nh5 — 11.3% (209 parties)
Ambassadeurs : Gombocz, Ferenc Jr. (5x), Dardha, Daniel (4x), Pap, Marko (3x), Lenz, Juergen (2x), Seegers, Hendrik (2x), Mikalsen, Erlend (2x), Kazakov, Konstantin (2x), Labruyere, Roger (2x)
4…d6 — 8.9% (165 parties)
Ambassadeurs : Schmidt, Lothar (2x), Crea, Vincenzo (2x), Skembris, Spyridon (2x), Byway, Paul V (2x), Bellin, Jana M (2x), Rozhko, Dmitry (2x), Kurajica, Bojan (2x), Backiel, Hubert (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4…e6 4…g6 4…Nh5 4…d6
<1800 158 49% 25% 7% 14%
1800-2200 864 47% 30% 11% 9%
2200-2600 637 26% 46% 14% 9%
2600+ 20 30% 45% 15% 5%
Évolution par décennie (% des parties)
Décennie N parties 4…e6 4…g6 4…Nh5 4…d6
1950s 6 67% 17% — —
1960s 15 47% 27% — 20%
1970s 27 52% 33% 4% 4%
1980s 71 51% 34% 4% 3%
1990s 193 60% 21% 3% 9%
2000s 273 59% 23% 5% 8%
2010s 787 41% 36% 10% 9%
2020s 479 21% 44% 22% 10%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…e6 41% 21% ▼ -19.6%
4…g6 36% 44% ▲ +7.8%
4…Nh5 10% 22% ▲ +12.0%
4…d6 9% 10% +0.3%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 2 parties
Hou, Yifan — 1 partie
Carlsen, Magnus — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
4…e6 — 41.2% (763 parties)
1952 — Romih, Max vs Eugenio, Sarah De Oliveira — 0-1 — Ferrara
1952 — Romih, Max vs Magrin, Antonio — 1-0 — Ferrara
1956 — Romih, Max vs Magrin, Antonio — 1/2-1/2 — ITA-ch18 Rovigo
1958 — G.k.p., Rubel vs Ketslakh, Anatolij — 1-0 — Leningrad RUS
1966 — Falkowsky, Cecil vs Berry, Jonathan — 1/2-1/2 — Vancouver BC CAN
4…g6 — 34.1% (632 parties)
1956 — Alexander, Ken R D vs Serebrisky, Alexander S — 1-0 — Kiev UKR
1960 — Koplimagi, Enno vs Sarosy, Zoltan L — 0-1 — Toronto CAN
1964 — Krizsan-Bilek, Gyulane vs Skegina, Klaara — 1/2-1/2 — Ordzhonikidze
1966 — Zatulovskaya, Tatiana vs Lane, Lisa — 1-0 — Oberhausen
1969 — Troeger, Paul vs Schroeder, Hannes — 0-1 — Frankfurt GER
4…Nh5 — 11.3% (209 parties)
1976 — Gliksman, Darko vs Weiss, Augustin — 1/2-1/2 — Stary Smokovec SVK
1984 — Piket, Jeroen vs Sunye Neto, Jaime — 0-1 — Amsterdam NED
1984 — Hesse, Peter vs Enders, Peter — 0-1 — Dresden GER
1987 — De Backer, Jan vs Penson, Thierry — 1/2-1/2 — Deurne
1992 — Agustsson, Bergur Mar vs Steponavicius, Stasys — 1/2-1/2 — EU-ch U14 Rimavska Sobota SVK
4…d6 — 8.9% (165 parties)
1965 — Krizsan-Bilek, Gyulane vs Jovanovic, Rosa — 1/2-1/2 — Belgrade SRB
1968 — Rakic, Tomislav vs Velimirovic, Dragoljub — 0-1 — Belgrade SRB
1968 — Ferry, Roger vs Duveau, JY. — 1-0 — Charbonnieres
1970 — Schurig, Russel vs Sarosy, Zoltan L — 1-0 — Toronto CAN
1981 — Rakic-Serianc, Brigita vs Zivkovic, Vesna — 1/2-1/2 — Arandjelovac